Commit 0cfe58cd4470cfbbd3650ec9451cdd0b0e3058c0
1 parent
fea0c503
target-ppc: simplify slw, srw, sld, srd
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5597 c046a42c-6fe2-441c-8c8c-71466251a162
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8 additions
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12 deletions
target-ppc/translate.c
@@ -1959,12 +1959,11 @@ GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER) | @@ -1959,12 +1959,11 @@ GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER) | ||
1959 | l2 = gen_new_label(); | 1959 | l2 = gen_new_label(); |
1960 | 1960 | ||
1961 | t0 = tcg_temp_local_new(TCG_TYPE_TL); | 1961 | t0 = tcg_temp_local_new(TCG_TYPE_TL); |
1962 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); | ||
1963 | - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); | 1962 | + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); |
1963 | + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); | ||
1964 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); | 1964 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); |
1965 | tcg_gen_br(l2); | 1965 | tcg_gen_br(l2); |
1966 | gen_set_label(l1); | 1966 | gen_set_label(l1); |
1967 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); | ||
1968 | tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); | 1967 | tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); |
1969 | tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); | 1968 | tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); |
1970 | gen_set_label(l2); | 1969 | gen_set_label(l2); |
@@ -2018,12 +2017,11 @@ GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER) | @@ -2018,12 +2017,11 @@ GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER) | ||
2018 | l2 = gen_new_label(); | 2017 | l2 = gen_new_label(); |
2019 | 2018 | ||
2020 | t0 = tcg_temp_local_new(TCG_TYPE_TL); | 2019 | t0 = tcg_temp_local_new(TCG_TYPE_TL); |
2021 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); | ||
2022 | - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); | 2020 | + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); |
2021 | + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); | ||
2023 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); | 2022 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); |
2024 | tcg_gen_br(l2); | 2023 | tcg_gen_br(l2); |
2025 | gen_set_label(l1); | 2024 | gen_set_label(l1); |
2026 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); | ||
2027 | t1 = tcg_temp_new(TCG_TYPE_TL); | 2025 | t1 = tcg_temp_new(TCG_TYPE_TL); |
2028 | tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); | 2026 | tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); |
2029 | tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0); | 2027 | tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0); |
@@ -2043,12 +2041,11 @@ GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B) | @@ -2043,12 +2041,11 @@ GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B) | ||
2043 | l2 = gen_new_label(); | 2041 | l2 = gen_new_label(); |
2044 | 2042 | ||
2045 | t0 = tcg_temp_local_new(TCG_TYPE_TL); | 2043 | t0 = tcg_temp_local_new(TCG_TYPE_TL); |
2046 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40); | ||
2047 | - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); | 2044 | + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); |
2045 | + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); | ||
2048 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); | 2046 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); |
2049 | tcg_gen_br(l2); | 2047 | tcg_gen_br(l2); |
2050 | gen_set_label(l1); | 2048 | gen_set_label(l1); |
2051 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); | ||
2052 | tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); | 2049 | tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); |
2053 | gen_set_label(l2); | 2050 | gen_set_label(l2); |
2054 | tcg_temp_free(t0); | 2051 | tcg_temp_free(t0); |
@@ -2106,12 +2103,11 @@ GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B) | @@ -2106,12 +2103,11 @@ GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B) | ||
2106 | l2 = gen_new_label(); | 2103 | l2 = gen_new_label(); |
2107 | 2104 | ||
2108 | t0 = tcg_temp_local_new(TCG_TYPE_TL); | 2105 | t0 = tcg_temp_local_new(TCG_TYPE_TL); |
2109 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x40); | ||
2110 | - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); | 2106 | + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); |
2107 | + tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); | ||
2111 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); | 2108 | tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); |
2112 | tcg_gen_br(l2); | 2109 | tcg_gen_br(l2); |
2113 | gen_set_label(l1); | 2110 | gen_set_label(l1); |
2114 | - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); | ||
2115 | tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); | 2111 | tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); |
2116 | gen_set_label(l2); | 2112 | gen_set_label(l2); |
2117 | tcg_temp_free(t0); | 2113 | tcg_temp_free(t0); |